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Product Description
Hawk Excavator Long Reach Arm | Model JD870P-LRA8082 | Reach 82' | 70-75 Ton | For John Deere Excavators
DESCRIPTION
The Hawk Excavator John Deere 870P Long Reach Arm JD870P-LRA8082 is a heavy-duty 82-foot excavator long reach attachment engineered to maximize reach, digging depth, and productivity on demanding excavation, dredging, demolition, and earthmoving projects. Designed for 70-75 ton excavators, this high-performance long reach boom delivers outstanding stability, precision, and durability while reducing machine repositioning and increasing operational efficiency. Featuring a 47'3" boom, 35'1" stick, 82'9" maximum reach, and 61'9" digging depth, it enables operators to work safely in hard-to-access areas including rivers, canals, ponds, foundations, and slopes. Manufactured using premium high-strength steel, advanced CAD engineering, simulation stress analysis, and rigorous NDT-tested welds, this long reach system ensures dependable performance in demanding environments. Optional pre-plumbed hydraulic lines, hose connections, and slurry discharge hose brackets further enhance versatility for dredging pumps and specialized excavator attachments, making it an ideal solution for professional contractors seeking maximum productivity and long-term reliability.
Key Features
Extended 82-Foot Reach Performance enables operators to excavate deeper and farther without constantly repositioning the excavator, improving productivity on large-scale construction, dredging, and excavation projects.
Designed for 70-75 Ton Excavators ensuring excellent compatibility, optimized machine balance, reliable hydraulic performance, and efficient operation during heavy-duty digging and material handling applications.
Heavy-Duty High-Strength Steel Construction provides exceptional structural durability, increased service life, and dependable performance under continuous demanding excavation and dredging conditions.
Maximum Digging Depth of 61'9" allows contractors to efficiently excavate deep foundations, waterways, canals, ponds, and utility trenches while minimizing equipment movement.
Long 47'3" Boom Assembly delivers exceptional forward reach, improved working radius, and greater flexibility when accessing difficult excavation areas.
35'1" Reinforced Stick Design enhances bucket positioning accuracy while providing superior control for trenching, grading, dredging, and precision excavation operations.
Advanced Hydraulic Compatibility supports smooth attachment movement with optional pre-installed hydraulic hose routing for faster installation and reliable hydraulic flow.
CAD Engineered & Stress Tested every long reach assembly undergoes advanced simulation analysis to maximize structural integrity, operational safety, and long-term durability.
NDT Tested Welded Components ensure every critical weld meets demanding quality standards for superior strength, reduced fatigue, and dependable field performance.
Large 1.83 Cubic Yard Bucket Capacity increases material handling efficiency, reduces loading cycles, and improves productivity across large excavation projects.
Optional Slurry Hose Brackets support dredging applications by providing secure routing for discharge hoses while maintaining excellent operational efficiency.
Ideal for Multiple Applications including river dredging, canal maintenance, deep excavation, slope finishing, pond construction, demolition, and environmental restoration projects.
Improved Operator Precision allows accurate digging, grading, and material placement even in confined or difficult-to-access work areas.
Professional Grade Manufacturing produced under strict quality control with precision fabrication techniques for consistent performance and dependable reliability.
Detailed Specifications
Specification
Details
Brand
Hawk Excavator
Product
Long Reach Arm
Compatible Machine
John Deere 870P Excavator
Model
JD870P-LRA8082
Excavator Class
70–75 Ton
Overall Reach Length
82' (984")
Boom Length
47'3" (567")
Stick Length
35'1" (421")
Maximum Reach
82'9" (993")
Maximum Digging Depth
61'9" (741")
Maximum Working Height
75'11" (911")
Boom Height
14'2" (170")
Bucket Capacity
1.83 yd³ (1.4 m³)
Construction Material
High-Strength Reinforced Steel
Hydraulic Lines
Optional Pre-Plumbed Hydraulic Lines
Hydraulic Hose Connections
Pre-Installed (Optional)
Slurry Hose Brackets
Optional
Engineering
CAD Designed & Simulation Stress Tested
Quality Inspection
NDT Tested Weld Assemblies
Applications
Dredging, Deep Excavation, River Maintenance, Canal Cleaning, Demolition, Foundation Excavation, Slope Finishing, Earthmoving
Attachment Type
Excavator Long Reach Boom & Arm Assembly
Manuals & Documents
General Warranty Info:
Ripping It Outdoors works closely with our manufacturers to supply and support your products warranty needs as best as possible!
The majority of products come with a manufacturer represented warranty against manufacturing defects for at least a 12 month period after the date of sale.
Expendable components and "wear parts" including but not limited to blades, knives, teeth, oil, chain sprockets, skid shoes, knife mounting discs, and similar components are usually excluded from manufacturer warranties.
Please reach out to us for any specific warranty information needed about products and parts you can’t find!
Videos
Shipping
$1 Shipping Quote Info:
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Complimentary lift gate service on all freight shipments where it’s possible. We guarantee safe delivery!
Customer Reviews
Overall rating: 4.6 / 5 from 86 reviews.
I've started using the mulcher I on several parcels of land 10 acres . I have grind down a couple of 14 inch stumps. Caution the mount bracket behind the mulcher motor exhaust gets extremely hot even with gloves on . But the unit so far seems to works very good it's well put together.
The Firminator G3 is s heavy duty quality machine. The discs worked extremely well and planting and culti-packing is very smooth and easy. Working with Dillon at Ripping It Outdoors was a very good experience and seamless transaction.
After spending way to much money for forest mulching services I discovered this wonderful machine. It's not a giant powerhouse forest mulcher, but it does everything a property owner needs to maintain a forested property. I wish I would have found it sooner.
The Firminator is well built and functions well. I am having some trouble while planting mixed size seeds. Next time out I’ll try setting it so only the smaller seeds drop out the open it up for the larger seeds.
easy buying process and great communication. Mulcher works great, easily clears overgrown brush and even mulched a 5" thick mulberry tree fairly easily. running it off of my old 331 bobcat with no problem powering the drum at all. Only small issue which isn't a big deal is that the supplied hoses are about 16" too short to operate a full range of motion.
Over all built well. I like it is all cast iron and metal and not plastic. Had to modify fertilizer disc mount to fit correctly, nothing major, a little grinding. I modified the center link hitch point to accommodate my John Deere quick hitch. Have yet to plant with it but I’m sure it will work perfect. Love the grease fittings everywhere. Reminds me of the old farm equipment I grew up on, and still use periodically.
My firminator RT was delivered in good condition in ND. I will be using it next week. I have a 45 HP John Deere tractor that is supposed to lift 2000 lb but really struggles to lift this 6 foot firminator RT. I will just have to use in as a two pass operation for now.
I do wish there was a better operating manual for this unit. Maybe that is something you can work on.
I will give you an update once I start using it in a few days.
Great piece of equipment. Performs far better than I expected. One piece of advice - if property is significantly overgrown, consider the tractor attachment first to bring down the over growth and then switch to the UTV attachment to maintain property. No complaints worked perfectly.
These are great feeders if you don’t have any feral hogs but if the hogs tear off the wiring harness from the timer to the feeder motor, you’re disabled. Then, if you ask for help from Outback, they refer you to the dealer but really you’re on your own for parts and repairs.
I have three Outback feeders that work as designed. They’re 13 years old and have always served well but this feeder misses the mark by a very high margin. I’d NEVER buy this product again.
Feeders need to be dependable and this unit is not.
This is my first experience with Ripping It Outdoors. Fortunately I got Dillion as a representative and everything from sales to shipping was spot on..
Thanks Dillion for your help!!
The only thing is when hooking up the actuator on my ATV. The wire is long going to the plug in. What has happened in the past about this. Is their video showing the usage of the control?
I had a guy from a shop come cut the shafts and hook me up. It went well. I've been using the mulcher and the tractor saw on my two tractors and having fun.
i love it, i'm a little inexperianced with it but i'll learn, i've never messed with chemicals much.
instead of putting it on an atv, i put it on a skid steer
We bought a 6' G3 last year and it worked well. We were missing the handle for seed adjuster on 1st one and they next day aired it. Just ordered an 8 ' model to go with it. Dillon is great to work with. Hope this one works out as well.